<?php
function sky($var) {
	if (is_bool($var)) {
		var_dump($var);
	}else if (is_null($var)){
		var_dump(null);
	}else{
		echo "<pre style='position: relative;z-index: 1000;padding: 10px;
	border-radius: 5px;background: #F5F5F5;border: 1px solid #aaa;font-size: 14px;
	line-height: 18px;opacity: 0.9;'>".print_r($var ,true)."</pre>";
	}
}
